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                                <h1 id="51-&#x627E;&#x5230;&#x95EE;&#x9898;-cube">5.1 &#x627E;&#x5230;&#x95EE;&#x9898; Cube</h1>
<h2 id="511-&#x68C0;&#x67E5;-cuboid-&#x6570;&#x91CF;">5.1.1 &#x68C0;&#x67E5; Cuboid &#x6570;&#x91CF;</h2>
<p>Apache Kylin &#x63D0;&#x4F9B;&#x4E86;&#x4E00;&#x4E2A;&#x7B80;&#x5355;&#x7684;&#x5DE5;&#x5177;&#xFF0C;&#x4F9B;&#x7528;&#x6237;&#x68C0;&#x67E5; Cube &#x4E2D;&#x54EA;&#x4E9B; Cuboid &#x6700;&#x7EC8;&#x88AB;&#x9884;&#x8BA1;&#x7B97;&#x4E86;&#xFF0C;&#x6211;&#x4EEC;&#x79F0;&#x5176;&#x4E3A;&#x88AB;&#x7269;&#x5316;&#xFF08;Materialized&#xFF09;&#x7684;Cuboid&#x3002;</p>
<p>&#x540C;&#x65F6;&#xFF0C;&#x8FD9;&#x79CD;&#x65B9;&#x6CD5;&#x8FD8;&#x80FD;&#x7ED9;&#x51FA;&#x6BCF;&#x4E2A; Cuboid &#x6240;&#x5360;&#x7A7A;&#x95F4;&#x7684;&#x4F30;&#x8BA1;&#x503C;&#x3002;</p>
<p>&#x7531;&#x4E8E;&#x8BE5;&#x5DE5;&#x5177;&#x9700;&#x8981;&#x5728;&#x5BF9;&#x6570;&#x636E;&#x8FDB;&#x884C;&#x4E00;&#x5B9A;&#x9636;&#x6BB5;&#x7684;&#x5904;&#x7406;&#x4E4B;&#x540E;&#x624D;&#x80FD;&#x4F30;&#x7B97; Cuboid &#x7684;&#x5927;&#x5C0F;&#xFF0C;&#x56E0;&#x6B64;&#x4E00;&#x822C;&#x6765;&#x8BF4;&#x53EA;&#x80FD;&#x5728;Cube&#x6784;&#x5EFA;&#x5B8C;&#x6BD5;&#x4E4B;&#x540E;&#x518D;&#x4F7F;&#x7528;&#x8BE5;&#x5DE5;&#x5177;&#x3002;</p>
<p>&#x76EE;&#x524D;&#x5173;&#x4E8E;&#x8FD9;&#x4E00;&#x70B9;&#x4E5F;&#x662F;&#x8BE5;&#x5DE5;&#x5177;&#x7684;&#x4E00;&#x5927;&#x4E0D;&#x8DB3;&#xFF0C;&#x7531;&#x4E8E;&#x540C;&#x4E00;&#x4E2A;Cube &#x7684;&#x4E0D;&#x540C; Segment &#x4E4B;&#x95F4;&#x4EC5;&#x662F;&#x8F93;&#x5165;&#x6570;&#x636E;&#x4E0D;&#x540C;&#xFF0C;&#x6A21;&#x578B;&#x4FE1;&#x606F;&#x548C;&#x4F18;&#x5316;&#x7B56;&#x7565;&#x90FD;&#x662F;&#x5171;&#x4EAB;&#x7684;&#xFF0C;&#x6240;&#x4EE5;&#x4E0D;&#x540C; Segment&#x4E2D; &#x54EA;&#x4E9B; Cuboid &#x88AB;&#x7269;&#x5316;&#x54EA;&#x4E9B;&#x6CA1;&#x6709;&#x88AB;&#x7269;&#x5316;&#x90FD;&#x662F;&#x4E00;&#x6837;&#x7684;&#x3002;</p>
<p>&#x56E0;&#x6B64;&#x53EA;&#x8981;Cube&#x4E2D;&#x81F3;&#x5C11;&#x6709;&#x4E00;&#x4E2A; Segment&#xFF0C;&#x90A3;&#x4E48;&#x5C31;&#x80FD;&#x4F7F;&#x7528;&#x5982;&#x4E0B;&#x7684;&#x547D;&#x4EE4;&#x884C;&#x5DE5;&#x5177;&#x53BB;&#x68C0;&#x67E5;&#x8FD9;&#x4E2A; Cube &#x4E2D;&#x7684; Cuboid &#x72B6;&#x6001;&#xFF1A;</p>
<pre class="language-"><code class="lang-java">bin<span class="token operator">/</span>kylin<span class="token punctuation">.</span>sh org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>kylin<span class="token punctuation">.</span>engine<span class="token punctuation">.</span>mr<span class="token punctuation">.</span>common<span class="token punctuation">.</span>CubeStatsReader CUBE_NAME

<span class="token comment">// &#x5176;&#x4E2D;CUBE_NAME&#x662F;&#x4F60;&#x8981;&#x68C0;&#x67E5;&#x7684; Cube &#x7684; Name.</span>
</code></pre>
<p>&#x4F8B;&#x5982;:</p>
<pre class="language-"><code class="lang-bash">bin/kylin.sh org.apache.kylin.engine.mr.common.CubeStatsReader sav_cube

<span class="token punctuation">..</span>.

<span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span>
Statistics of sav_cube<span class="token punctuation">[</span>FULL_BUILD<span class="token punctuation">]</span>

Cube statistics hll precision: 14
Total cuboids: 7
Total estimated rows: 51
Total estimated size<span class="token punctuation">(</span>MB<span class="token punctuation">)</span>: 3.027915954589844E-4
Sampling percentage:  100
Mapper overlap ratio: 1.0
Mapper number: 1
Length of dimension DEFAULT.EMP.JOB is 1
Length of dimension DEFAULT.EMP.MGR is 1
Length of dimension DEFAULT.EMP.DEPTNO is 1
<span class="token operator">|</span>---- Cuboid 111, est row: 10, est MB: 0
    <span class="token operator">|</span>---- Cuboid 011, est row: 9, est MB: 0, shrink: 90%
        <span class="token operator">|</span>---- Cuboid 001, est row: 3, est MB: 0, shrink: 33.33%
        <span class="token operator">|</span>---- Cuboid 010, est row: 7, est MB: 0, shrink: 77.78%
    <span class="token operator">|</span>---- Cuboid 101, est row: 9, est MB: 0, shrink: 90%
        <span class="token operator">|</span>---- Cuboid 100, est row: 5, est MB: 0, shrink: 55.56%
    <span class="token operator">|</span>---- Cuboid 110, est row: 8, est MB: 0, shrink: 80%
----------------------------------------------------------------------------
</code></pre>
<p>&#x4ECE;&#x5206;&#x6790;&#x7ED3;&#x679C;&#x7684;&#x4E0B;&#x534A;&#x90E8;&#x5206;&#x53EF;&#x4EE5;&#x770B;&#x5230;&#xFF0C;&#x6240;&#x6709;&#x7684; Cuboid &#x53CA;&#x5B83;&#x7684;&#x5206;&#x6790;&#x7ED3;&#x679C;&#x90FD;&#x4EE5;&#x6811;&#x72B6;&#x7684;&#x5F62;&#x5F0F;&#x6253;&#x5370;&#x4E86;&#x51FA;&#x6765;&#x3002;</p>
<p>&#x5728;&#x8FD9;&#x68F5;&#x6811;&#x4E2D;&#xFF0C;&#x6BCF;&#x4E2A;&#x8282;&#x70B9;&#x4EE3;&#x8868;&#x4E00;&#x4E2A; Cuboid&#xFF0C;&#x6BCF;&#x4E2A; Cuboid &#x90FD;&#x7531;&#x4E00;&#x8FDE;&#x4E32; 1 &#x6216; 0 &#x7684;&#x6570;&#x5B57;&#x7EC4;&#x6210;&#xFF0C;&#x5982;&#x679C;&#x6570;&#x5B57;&#x4E3A; 0&#xFF0C;&#x5219;&#x4EE3;&#x8868;&#x8FD9;&#x4E2A; Cuboid &#x4E2D;&#x4E0D;&#x5B58;&#x5728;&#x76F8;&#x5E94;&#x7684;&#x7EF4;&#x5EA6;&#xFF1B;&#x5982;&#x679C;&#x6570;&#x5B57;&#x4E3A; 1&#xFF0C;&#x5219;&#x4EE3;&#x8868;&#x8FD9;&#x4E2A;Cuboid&#x4E2D;&#x5B58;&#x5728;&#x76F8;&#x5E94;&#x7684;&#x7EF4;&#x5EA6;&#x3002;</p>
<p>&#x9664;&#x4E86;&#x6700;&#x9876;&#x7AEF;&#x7684; Cuboid &#x4E4B;&#x5916;&#xFF0C;&#x6BCF;&#x4E2A; Cuboid &#x90FD;&#x6709;&#x4E00;&#x4E2A;&#x7236;&#x4EB2; Cuboid&#xFF0C;&#x4E14;&#x90FD;&#x6BD4;&#x7236;&#x4EB2;Cuboid &#x5C11;&#x4E86;&#x4E00;&#x4E2A;&#x201C;1&#x201D;&#x3002;&#x5176;&#x610F;&#x4E49;&#x662F;&#x8FD9;&#x4E2A;Cuboid&#x5C31;&#x662F;&#x7531;&#x5B83;&#x7684;&#x7236;&#x4EB2;&#x8282;&#x70B9;&#x51CF;&#x5C11;&#x4E00;&#x4E2A;&#x7EF4;&#x5EA6;&#x805A;&#x5408;&#x800C;&#x6765;&#x7684;&#xFF08;&#x4E0A;&#x5377;&#xFF09;&#x3002;</p>
<p>&#x6700;&#x9876;&#x7AEF;&#x7684; Cuboid &#x79F0;&#x4E3A; Base Cuboid&#xFF0C;&#x5B83;&#x76F4;&#x63A5;&#x7531;&#x6E90;&#x6570;&#x636E;&#x8BA1;&#x7B97;&#x800C;&#x6765;&#x3002;</p>
<p>&#x6BCF;&#x884C; Cuboid &#x7684;&#x8F93;&#x51FA;&#x4E2D;&#x9664;&#x4E86; 0 &#x548C; 1 &#x7684;&#x6570;&#x5B57;&#x4E32;&#x4EE5;&#x5916;&#xFF0C;&#x540E;&#x9762;&#x8FD8;&#x6709;&#x6BCF;&#x4E2A; Cuboid &#x7684;&#x7684;&#x884C;&#x6570;&#x4E0E;&#x7236;&#x4EB2;&#x8282;&#x70B9;&#x7684;&#x5BF9;&#x6BD4;&#xFF08;Shrink&#x503C;&#xFF09;&#x3002;</p>
<p>&#x6240;&#x6709; Cuboid &#x884C;&#x6570;&#x7684;&#x4F30;&#x8BA1;&#x503C;&#x4E4B;&#x548C;&#x5E94;&#x8BE5;&#x7B49;&#x4E8E; Segment &#x7684;&#x884C;&#x6570;&#x4F30;&#x8BA1;&#x503C;&#xFF0C;&#x6BCF;&#x4E2A; Cuboid &#x90FD;&#x662F;&#x5728;&#x5B83;&#x7684;&#x7236;&#x4EB2;&#x8282;&#x70B9;&#x7684;&#x57FA;&#x7840;&#x4E0A;&#x8FDB;&#x4E00;&#x6B65;&#x805A;&#x5408;&#x800C;&#x6210;&#x7684;&#xFF0C;&#x56E0;&#x6B64;&#x4ECE;&#x7406;&#x8BBA;&#x4E0A;&#x8BF4;&#x6BCF;&#x4E2A; Cuboid &#x65E0;&#x8BBA;&#x662F;&#x884C;&#x6570;&#x8FD8;&#x662F;&#x5927;&#x5C0F;&#x90FD;&#x5E94;&#x8BE5;&#x5C0F;&#x4E8E;&#x5B83;&#x7684;&#x7236;&#x4EB2;&#x3002;</p>
<p>&#x5728;&#x8FD9;&#x68F5;&#x6811;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x89C2;&#x5BDF;&#x6BCF;&#x4E2A;&#x8282;&#x70B9;&#x7684; Shrink&#x503C;&#xFF0C;&#x5982;&#x679C;&#x8BE5;&#x503C;&#x63A5;&#x8FD1;100%&#xFF0C;&#x5219;&#x8BF4;&#x660E;&#x8FD9;&#x4E2A;Cuboid &#x867D;&#x7136;&#x6BD4;&#x5B83;&#x7684;&#x7236;&#x4EB2; Cuboid &#x5C11;&#x4E86;&#x4E00;&#x4E2A;&#x7EF4;&#x5EA6;&#xFF0C;&#x4F46;&#x662F;&#x5E76;&#x6CA1;&#x6709;&#x6BD4;&#x5B83;&#x7684;&#x7236;&#x4EB2; Cuboid &#x5C11;&#x5F88;&#x591A;&#x884C;&#x6570;&#x636E;&#x3002;&#x6362;&#x800C;&#x8A00;&#x4E4B;&#xFF0C;&#x5373;&#x4F7F;&#x6CA1;&#x6709;&#x8FD9;&#x4E2A; Cuboid&#xFF0C; &#x6211;&#x4EEC;&#x5728;&#x67E5;&#x8BE2;&#x65F6;&#x4F7F;&#x7528;&#x5B83;&#x7684;&#x7236;&#x4EB2; Cuboid&#xFF0C;&#x4E5F;&#x4E0D;&#x4F1A;&#x6709;&#x592A;&#x5927;&#x7684;&#x4EE3;&#x4EF7;&#x3002;&#x90A3;&#x4E48;&#x6211;&#x4EEC;&#x5C31;&#x53EF;&#x4EE5;&#x5BF9;&#x8FD9;&#x4E2A; Cuboid &#x8FDB;&#x884C;&#x526A;&#x679D;&#x64CD;&#x4F5C;&#x3002;</p>
<hr>
<h2 id="512-&#x68C0;&#x67E5;-cube-&#x5927;&#x5C0F;">5.1.2 &#x68C0;&#x67E5; Cube &#x5927;&#x5C0F;</h2>
<p>&#x8FD8;&#x6709;&#x4E00;&#x79CD;&#x66F4;&#x4E3A;&#x7B80;&#x5355;&#x7684;&#x65B9;&#x6CD5;&#x53EF;&#x4EE5;&#x5E2E;&#x52A9;&#x6211;&#x4EEC;&#x5224;&#x65AD; Cube &#x662F;&#x5426;&#x5DF2;&#x7ECF;&#x8DB3;&#x591F;&#x4F18;&#x5316;&#x3002;</p>
<p>&#x5728; Web GUI &#x7684; Model &#x9875;&#x9762;&#x9009;&#x62E9;&#x4E00;&#x4E2A; READY &#x72B6;&#x6001;&#x7684; Cube&#xFF0C;&#x5F53;&#x6211;&#x4EEC;&#x628A;&#x5149;&#x6807;&#x79FB;&#x5230;&#x8BE5;Cube &#x7684; Cube Size &#x5217;&#x65F6;&#xFF0C;Web GUI &#x4F1A;&#x63D0;&#x793A;Cube&#x7684;&#x6E90;&#x6570;&#x636E;&#x5927;&#x5C0F;&#xFF0C;&#x4EE5;&#x53CA;&#x5F53;&#x524D; Cube &#x7684;&#x5927;&#x5C0F;&#x9664;&#x4EE5;&#x6E90;&#x6570;&#x636E;&#x5927;&#x5C0F;&#x7684;&#x6BD4;&#x4F8B;&#xFF0C;&#x79F0;&#x4E3A;&#x81A8;&#x80C0;&#x7387;&#xFF08;Expansion Rate&#xFF09;&#xFF0C;&#x5982;&#x56FE;&#x6240;&#x793A;&#x3002;</p>
<p><img src="http://lizhenchao.oss-cn-shenzhen.aliyuncs.com/1552702289.png-atguiguText" alt=""></p>
<p>&#x4E00;&#x822C;&#x6765;&#x8BF4;&#xFF0C;Cube &#x7684;&#x81A8;&#x80C0;&#x7387;&#x5E94;&#x8BE5;&#x5728;<code>0%~1000%</code>&#x4E4B;&#x95F4;&#xFF0C;&#x5982;&#x679C;&#x4E00;&#x4E2A;<code>Cube</code>&#x7684;&#x81A8;&#x80C0;&#x7387;&#x8D85;&#x8FC7;<code>1000%</code>&#xFF0C;&#x90A3;&#x4E48; Cube &#x7BA1;&#x7406;&#x5458;&#x5E94;&#x5F53;&#x5F00;&#x59CB;&#x6316;&#x6398;&#x5176;&#x4E2D;&#x7684;&#x539F;&#x56E0;&#x3002;&#x901A;&#x5E38;&#xFF0C;&#x81A8;&#x80C0;&#x7387;&#x9AD8;&#x6709;&#x4EE5;&#x4E0B;&#x51E0;&#x4E2A;&#x65B9;&#x9762;&#x7684;&#x539F;&#x56E0;&#x3002;</p>
<ol>
<li><p>Cube &#x4E2D;&#x7684;&#x7EF4;&#x5EA6;&#x6570;&#x91CF;&#x8F83;&#x591A;&#xFF0C;&#x4E14;&#x6CA1;&#x6709;&#x8FDB;&#x884C;&#x5F88;&#x597D;&#x7684; Cuboid &#x526A;&#x679D;&#x4F18;&#x5316;&#xFF0C;&#x5BFC;&#x81F4; Cuboid &#x6570;&#x91CF;&#x6781;&#x591A;;</p>
</li>
<li><p>Cube &#x4E2D;&#x5B58;&#x5728;&#x8F83;&#x9AD8;&#x57FA;&#x6570;&#x7684;&#x7EF4;&#x5EA6;&#xFF0C;&#x5BFC;&#x81F4;&#x5305;&#x542B;&#x8FD9;&#x7C7B;&#x7EF4;&#x5EA6;&#x7684;&#x6BCF;&#x4E00;&#x4E2A; Cuboid &#x5360;&#x7528;&#x7684;&#x7A7A;&#x95F4;&#x90FD;&#x5F88;&#x5927;&#xFF0C;&#x8FD9;&#x4E9B; Cuboid &#x7D2F;&#x79EF;&#x9020;&#x6210;&#x6574;&#x4F53; Cube &#x4F53;&#x79EF;&#x53D8;&#x5927;;</p>
</li>
</ol>
<p>&#x56E0;&#x6B64;&#xFF0C;&#x5BF9;&#x4E8E; Cube &#x81A8;&#x80C0;&#x7387;&#x5C45;&#x9AD8;&#x4E0D;&#x4E0B;&#x7684;&#x60C5;&#x51B5;&#xFF0C;&#x7BA1;&#x7406;&#x5458;&#x9700;&#x8981;&#x7ED3;&#x5408;&#x5B9E;&#x9645;&#x6570;&#x636E;&#x8FDB;&#x884C;&#x5206;&#x6790;&#xFF0C;&#x53EF;&#x7075;&#x6D3B;&#x5730;&#x8FD0;&#x7528;&#x63A5;&#x4E0B;&#x6765;&#x4ECB;&#x7ECD;&#x7684;&#x4F18;&#x5316;&#x65B9;&#x6CD5;&#x5BF9; Cube &#x8FDB;&#x884C;&#x4F18;&#x5316;&#x3002;</p>
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